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Cell Project

the material or protoplasm within a living cell, excluding the nucleus.
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins.
the semipermeable membrane surrounding the cytoplasm of a cell.
a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
any of a number of organized or specialized structures within a living cell.
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place
a system of interconnected vesicular and lamellar cytoplasmic membranes that functions especially in the transport of materials within the cell and that is studded with ribosomes in some places—see rough endoplasmic reticulum.
a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants, it consists mainly of cellulose.
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
the second stomach of a ruminant, having a honeycomblike structure, receiving food from the rumen and passing it to the omasum.
an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae).
plural form of cilium.
a slender threadlike structure, especially a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim.
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria.